SE-330HV-01-00 - SE-330HV Series

External overview image
Roll Over to Zoom
 
The SE-330 is an advanced ground-fault and neutral-grounding-resistor monitoring relay. It measures neutral current, neutral-to-ground voltage, and neutral-to-ground resistance. It provides continuous monitoring of the neutral-to-ground path to verify that the neutral-grounding resistor (NGR) is intact. This is of utmost importance—an open NGR renders current-sensing ground-fault protection inoperative and could result in a false belief that the system is functioning properly. The SE-330 can be used with low- and medium-voltage transformers and generators with low- or high-resistance grounding used in processing, manufacturing, chemical, pulp and paper, petroleum, and water-treatment facilities. For high-voltage applications, use the SE-330HV. For applications that require conformance to Australian standard AS/NZS 2081.3:2002, see the SE-330AU.

The SE-330 New Revision provides these additional features:

  • 100 trip records with date and time stamp
  • A mini-USB interface to view measured values, configure settings and check event records using SE-MON330 v3.2 or later
  • An on-board microSD card (included) can be used for long term data logging and firmware upgrades
  • Ground-fault trip level is adjustable from 2 to 100% in 10 discrete settings, and in 1% increments when using the MEM setting and SE-MON330 v3.2 or later
  • Dual Ethernet ports are optionally available with support for fiber and RJ45 interfaces
  • IEC 61850 protocol is optionally available
Property (Mouseover for details) Value
Analog Output Current mA 4 - 20
Communications USB; DeviceNet
Relay Contacts Config 2 Form A; 2 Form C
Supply Voltage ac 65 - 265
Supply Voltage dc 85 - 275
New Rev Avail Now
Old Rev Avail No longer available
IEEE Device Numbers 50G - 50N - 51G - 51N - 59N - 86
Relay Contacts Operation Fail-safe / Non Fail-safe
Dimensions 8.4 H x 3.9 W x 5.8 D in.
Weight (lbs/g) 0 Kg
Auto Manual Reset Latching; Autoreset
Conformally coated Standard
Frequency 50; 60; ASD
GF Trip Level Range pct 2 - 100% of CT-Primary Rating
GF Trip Time s 0.1 - 10.0
Harmonic Filtering Standard (DFT)
Reset Type Front-panel switch/Remote N.O. Contact
RF Trip Level V 100 - 10000 (systems up to 35 kV); 200 - 20000 (72 kV systems)
RF Trip Time s 12
System type Resistance Grounded AC
To request product environmental information, please complete the Product Environmental Information Request Form.